User's Manual

WL-227N_ABAND Hardware & Driver Reference
3
INTRODUCTION
SCOPE
The purpose of this specication is to document the requirements
for 802.11 a/n, it is an iNIC card that not only can act as a tradition-
al AP/Router but also provide WLAN dual band access capabilities.
ACRONYMS AND DEFINITIONS
Acronym Description
BBP Base Band Processor
BER Bit Error Rate
BPSK Binary Phase Shift Keying
CCK Complementary code keying
EVM Error Vector Magnitude
MAC Media Access Controller
OFDM Orthogonal Frequency Division Multiplexing
QAM Quadrature Amplitude Modulation
QPSK Quadrature Phase Shift Keying
GENERAL FEATURES
Network Standard Comply with IEEE 802.11n draft 2.0 & IEEE 802.11a standards
Chipset Highly Integrated MIMO 2T3R MAC/BBP chip (RT2880)
with PCI Interface and Single-chip Transceiver (RT2850)
with 2.4 GHz(low-band) and 5~6GHz(high-band) ISM bands
Host interface Type III A, 124 Pin
Data Rate 300Mbps Receive PHY Rate, 300Mbps Transmit PHY Rate
and just support 2 streams
Modulation Modulation Technology support Orthogonal Frequency Division
Multiplexing (OFDM)
Operating Frequency 4.9~5.9GHz
Operating Channel CH36~CH48,CH52~CH64,CH149~CH161
Transmitter/Receiver Two Tx transmits from transceiver through an external PA to the
Mechanism antenna. Three Rx act as MIMO coming from the antennas.
Antenna Connectors Hirose U.FL-R-SMT-1(10) compatible
Driver Support OS Linux
Application This module will be used in a 12 inch or greater laptop.